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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $54,173 | $6,580 | $23,573 | $53,023 | $89,260 | $3,308 | $217,801 |
| Manganese oxides other than manganese dioxide | $261,414 | $341,766 | $2,903,778 | $2,745,819 | $1,396,302 | $3,921,603 | $6,078,528 |
| Total | $315,587 | $348,346 | $2,927,351 | $2,798,842 | $1,485,562 | $3,924,911 | $6,296,329 |
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